The Fox X-Menmovie universe made a lot of mistakes, but the Marvel Cinematic Universe might be able to rectify some of them with the original X-Men appearing in Avengers: Doomsday and Avengers: Secret Wars. Recently, the Marvel Cinematic Universe shocked fans by introducing the cast of Avengers: Doomsday, revealing that many unexpected Fox X-Men cast members will be joining the franchise in the upcoming crossover films. This provides the series with the opportunity to rectify some of the mistakes of the past.
